One of the biggest challenges we face when buying a new computer or reinstalling a system is installing the drivers for all hardware. Without a driver, the hardware won't work; a driver that fails to install or uses the wrong version can cause various system failures (blue screen, black screen, dead screen, no sound, frequent restarts, some software/game/device does not start or run properly...).

As we all know, the integrity of a file can be quickly determined by checking its hash value (i.e.: find out whether two files have identical content or not). There are many file hash checking tools out there, even Windows PowerShell can compute hashes of files directly, but most of them are designed for a single file.

Mesen is a free and open-source Famicom (NES) and Famicom Disk System (FDS) game console emulator for Windows and Linux platforms, written in C++ and C#. Besides, it is also available as a Libretro core for RetroArch. In terms of emulation accuracy, it has surpassed puNES. And it has good compatibility, even many localized games are perfectly supported.

NETworkManager is a free and open-source network operation and maintenance toolkit. It consists of a variety of tools such as an IP scanner, Port Scanner, Ping Monitor, WiFi analyzer, PuTTY/RemoteDesktop with tabs or an LLDP/CDP capture (and many more) in a unified UI, and simplifies the management of your network via quick access to all the basic tools necessary, everything is at hand and divided into categories。

Godot is a completely free, open-source, cross-platform, and lightweight 2D + 3D game engine. It started as a 2D game engine, but later expanded its capabilities for 3D game development. Compared with many other game engines, it is small in size, rich in features, simpler and easier to use, and more friendly to the novice game makers. The games made with Godot can be simultaneously released to Windows, Mac, Linux, Android, iOS, UWP, and HTML5 platforms.